本题目来源于试卷: Particulate Nature of Matter B.5 Electric Circuits，类别为 IB物理学
[单选题]
A 6$V$ battery with an internal resistance of 2 $Ω$ is connected to a 1Ω external resistor. Which statement is correct when the 1 $Ω$ resistor is replaced with 2$Ω$ resistor?
A. The potential difference across the terminal of the battery is increased.
B. The current in the battery is increased.
C. The power dissipated in the battery is increased.
D. The total resistance of the circuit is decreased.
参考答案: A
本题详细解析:
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